<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>form表单</title>
</head>
<body>
    <form action="https://www.jd.com" method="get">
      用户信息：<input type="text" placeholder="请输入内容。" name="userName"> <br>
      密码：<input type="password" name="passWord"><br>
      <input type="submit" value="登录" >
      <input type="reset" value="重新输入一遍">
    </form>
</body>
</html>